Weishaupt WWP LS 8-B R-E HE Installation And Operating Instruction
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Weishaupt WWP LS 8-B R-E HE Installation And Operating Instruction

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Installation and operating instruction
Hydraulic unit WWP LS 8 ... 16-B
83306902 2/2017-05

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Summary of Contents for Weishaupt WWP LS 8-B R-E HE

  • Page 1 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 83306902 2/2017-05...
  • Page 2 EU conformity certification Language 02 Product description Hydraulic unit Type WWP LS 8-B R-E HE WWP LS 10-B R-E HE WWP LS 13-B R-E HE WWP LS 10-B R HE WWP LS 13-B R HE WWP LS 16-B R HE...

  • Page 3: Table Of Contents

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B User instructions ...................... 6 Target group ...................... 6 Symbols ........................ 6 Guarantee and Liability .................. 7 Safety  .............................  8 Designated application .................. 8 Procedure when refrigerant leaks  .............. 8 Safety measures .................... 8 2.3.1 Normal operation  .................... 8 2.3.2 Electrical connection  .................. 8 2.3.3 Refrigeration circuit ...
  • Page 4 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B Favourites level  .................... 34 6.4.1 Set room setpoint temperature  .............. 35 6.4.2 Set DHW setpoint temperature  .............. 36 6.4.3 Set time program  .................... 37 User level  ...................... 39 Expert level  ...................... 40 Menu structure ....................
  • Page 5 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B Steps for commissioning ..................  64 Shutdown ..........................  69 Servicing .......................... 70 Notes on servicing  .....................  70 Service work ...................... 72 Removing and refitting expansion vessel  .............  73 Replace safety valve .................. 75 Rinse sludge separator .................. 76 Troubleshooting ...

  • Page 6: User Instructions

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 1 User instructions 1 User instructions This manual forms part of the equipment and must be kept on site. Carefully read the manual prior to working on the unit. It is supplemented by the installation and operating instructions for the outdoor unit.

  • Page 7: Guarantee And Liability

    Weishaupt parts, force majeure, unauthorised modifications made to the unit, the installation of additional components, which have not been tested with the...

  • Page 8: Safety

    Open doors and windows. Leave the room. Warn all tenants. Notify Weishaupt service department or refrigeration engineer. 2.3 Safety measures Safety relevant fault conditions must be eliminated immediately. 2.3.1 Normal operation All labels on the unit must be kept in a legible condition.

  • Page 9: Refrigeration Circuit

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 2 Safety 2.3.3 Refrigeration circuit Only a competent person in accordance with §5 ChemKlimaSchutzV (Carbon Chemical Regulation) may install, alter and service a refrigeration circuit. Observe BG regulation "Operating works material" (BGR 500). Observe EU Regulation No.

  • Page 10: Product Description

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3 Product description 3.1 Type key Example: WWP LS 10-B R-E HE Series: Weishaupt heat pump Heat source: Air Design type: split Ratings size: 10 Construction Version: reversible...

  • Page 11: Function

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3.3 Function The hydraulic unit transfers the heat supplied by the outdoor unit to the heating cir- cuit. An internal circuit reversal in the outdoor unit allows the hydraulic unit to be used for cooling.
  • Page 12 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description Overview electrical parts 1 Flow sensor LWT (B4) requirement for HP 2 Flow sensor (B10) 3 Electric heating 4 Display and operating unit (system device) 5 Device electronic with electrical connection and device fuse 6 Electric heating flow sensor (B7) 7 Electrical panel electric heating 8 Return flow sensor EWT (B9)
  • Page 13 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description Condenser The refrigerant releases the recovered energy to the heating water via the con- denser. Circulation pump The circulation pump delivers the heating water to the radiator, underfloor heating or the storage.

  • Page 14: Technical Data

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3.4 Technical data 3.4.1 Approval data EHPA, Germany has been applied for EHPA, Switzerland has been applied for Basic standards EN 60335-2-40 EN 61000-6-1 EN 61000-6-3 EN 14511-1 EN 14511-2 EN 14511-3 EN 14825 Additional standards, see EU conformity certification [page 2].

  • Page 15: Installation Location

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3.4.3 Installation location Installation location indoors 3.4.4 Ambient conditions Temperature in operation +3 … +30 °C Temperature during transport / storage -10 … +60 °C relative humidity max 80 %, no dew point 3.4.5 Rating 8-B R-E...
  • Page 16 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description Capacity graph heating 10-B R-E and 13-B R-E 1 Air intake temperature [°C] 2 Flow temperature [°C] Capacity graph heating 8-B R-E, 10-B R, 13-B R and 16-B R 1 Air intake temperature [°C] 2 Flow temperature [°C] 16-88...

  • Page 17: Cooling Capacity (En 14511)

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3.4.5.2 Cooling capacity (EN 14511) WWP LS 8-B R-E HE WWP LS 10-B R-E HE WWP LS 10-B R HE WWP LS 13-B R-E HE WWP LS 13-B R HE WWP LS 16-B R HE Cooling water flow temperature +7 … +20 °C...

  • Page 18: Resulting Supply Pressure

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3.4.5.3 Resulting supply pressure WWP LS 8-B and WWP LS 10-B with pump UPM Geo 25-85 100 % 70 % 1000 1200 1400 1600 1800 2000 2200 2400 1 Throughput [l/h]...

  • Page 19: Operating Pressure

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3.4.6 Operating pressure Refrigerant max 42 bar Heating water max 3 bar 3.4.7 Contents Hydraulic unit and outdoor unit 8-B R-E HE 10-B R-E HE 16-B R HE 13-B R-E HE 10-B R HE 13-B R HE...

  • Page 20: Dimensions

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 3 Product description 3.4.9 Dimensions 150 mm 150 mm 239 mm 134 mm 600 mm 91 mm 287 mm 1 Wall bracket (anchor bolt size Ø 10 mm) 2 Refrigerant pipework ⅜" (liquid pipe) 3 Heating return Ø...

  • Page 21: Installation

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 4 Installation 4 Installation 4.1 Installation conditions Dimensions Observe dimensions [ch. 3.4.9]. Installation location Prior to installation ensure that: the installation location is frost free, the bearing capacity of the wall is sufficient [ch. 3.4.8], the space for the hydraulic unit is sufficient [ch. 3.4.9], the space for the hydraulic connection is sufficient, the installation location is of sufficient volume.

  • Page 22: Mounting The Wall Bracket

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 4 Installation 4.3 Mounting the wall bracket Prior to installation the wall bracket supplied ensure that: sufficient space is available beneath the unit for the hydraulic connections, the fixing material supplied is suitable for wall mounting [ch. 3.4.8]. Position wall bracket, mark all fixing points and drill [ch. 3.4.9].

  • Page 23: Installation

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation 5 Installation 5.1 Requirements for the heating water In support of VDI guideline 2035 the following requirements are applicable for heating water. Untreated fill and top-up water must be of domestic water quality (colourless, clear and without any sedimentation).

  • Page 24: Hydraulic Connection

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation 5.2 Hydraulic connection Observe the installation and operating manual of the outdoor unit when installing the refrigerant pipework. Risk of suffocation due to leaking refrigerant Leaking refrigerant collects at the base of the unit. Inhalation may cause suffoca- tion, and even death.

  • Page 25: Refrigerant Pipework

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation Filling with water Damage to the unit due to unsuitable fill water Corrosion and scale could damage the system. Adhere to the requirements for the heating water and the local directives CAUTION [ch. 5.1].

  • Page 26: Condensate Connection

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation 5.4 Condensate connection Place condensate hose in such a way that it is not possible for water bags to form (siphon effect) and the condensate can drain away unimpeded. A condensate hose internal Ø 14 mm is supplied with the hydraulic unit.

  • Page 27: Electrical Connection

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation 5.5 Electrical connection Risk of electric shock Working on the device when voltage is applied can lead to electric shock. Isolate hydraulic unit and outdoor unit from power supply prior to carrying out DANGER work.
  • Page 28 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation Guide the lines from the rear or from the bottom of the unit through the recess to the wiring duct. Assign the inputs and outputs according to application. Connect the cables according to the wiring diagram, in the process pay particu- lar attention to the correct phase location of the voltage supply.

  • Page 29: Wiring Diagram

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation 5.5.1 Wiring diagram Observe the instructions for the electrical installation [ch. 5.5]. WWP-CPU device electronic WWP-CPU µC - Unit 250V H-COM – A B 230V SGR1/2 2.WEZ/FH L* A1 A2 RJ11 H1H2 max 16A...
  • Page 30 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 5 Installation Electric heating L2 N Electric heating Supply Description Voltage supply 230 V, 1~, N, 50 Hz External fuse B 20 A optional 400 V, 3~, N, 50 Hz When using the second stage of the electric heating. 30-88 83306902 2/2017-05 La...

  • Page 31: Operation

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6 Operation 6.1 Operational display The light bar 1 shows the operating status of the heat pump. Light bar Description No voltage supply or light bar deactivated [ch. 6.7.3.4] Green System is fault free Yellow...

  • Page 32: Display And Operating Unit

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.2 Display and operating unit turn navigation through parameter structure; changing values press confirm or save values 32-88 83306902 2/2017-05 La...
  • Page 33 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.3 Display Start screen Monday 2017-03-13 7:37 Flow temperature °C 40.0 50 °C Heating operation 7.0°C 1 Information: Current load demand on the outdoor unit DHW temperature External temperature 2 Level selection: Favourites level...

  • Page 34: Favourites Level

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.4 Favourites level For fast access, frequently required parameters are permanently stored in the Favourites level. Depending on the hydraulics and control variations, certain information and para- meters are hidden.

  • Page 35: Set Room Setpoint Temperature

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.4.1 Set room setpoint temperature Select temperature level using the dial knob and confirm. The display changes to the setting mode. Press the dial knob and set the desired temperature. Press dial knob and confirm entry.

  • Page 36: Set Dhw Setpoint Temperature

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.4.2 Set DHW setpoint temperature Select temperature level using the dial knob and confirm. The display changes to the setting mode. Press the dial knob and set the desired temperature. Press dial knob and confirm entry.

  • Page 37: Set Time Program

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.4.3 Set time program Select time program. Heat program DHW program Change / add time Select the time cycle of the relevant weekday using the dial knob. It is possible to program 3 cycles per weekday.
  • Page 38 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation Copy weekday The settings for a weekday can be copied and applied to other days. Turn dial knob clockwise until Copy is displayed. Press dial knob and select the weekday to be copied. Press dial knob and select the weekday, which is to be overwritten.

  • Page 39: User Level

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.5 User level Only menus and parameters required for the normal operation of the system are displayed in the user level. Select User level using dial knob and confirm. Display changes to the User level.

  • Page 40: Expert Level

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.6 Expert level All menus and parameters, which apply to the system are displayed in the expert level. Access to the Expert level is only possible with a password. Select password Password: 11 Select Expert level using dial knob and confirm.

  • Page 41: Menu Structure

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7 Menu structure In the user level, access to the menu structure is limited [ch. 6.5]. All information and parameters can be accessed via the expert level [ch. 6.6]. Depending on the hydraulics and control variations, certain information and para- meters are hidden.

  • Page 42: Heat Pump

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.1.2 Heat pump Info     Heat pump Information Description Current operating phase of outdoor unit. Status outdoor unit Compressor frequency required by controller. Setpoint com- pressor frequency Current compressor frequency on outdoor unit.

  • Page 43: Second Heat Exchanger

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.1.3 Second heat exchanger Info     GB_2. WEZ Information Description Status E-heating 1 Current status of electric heating in the hydraulic unit, stage 1. Status E-heating 2 Current status of electric heating in the hydraulic unit, stage 2. Current status of second heat exchanger (e.

  • Page 44: Statistic

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.1.4 Statistic Info     Statistic In the Statistic menu, daily, monthly and annual values relating to the energy generated can be displayed. Information Description Total energy generation during the current day. Total energy days Total energy generation during the current month.

  • Page 45: System Operating Mode

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.2 System operating mode System operating mode Menu System operating mode determines the operating mode of the entire system. Setting Description Heating mode: Heating Heating on DHW on Frost protection on Summer operation: Summer...

  • Page 46: Heating Circuit

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.3 Heating circuit 6.7.3.1 Party/Pause Party/ Heating circuit     Pause The temperature level of the heating program can be temporarily changed (max- imum 12 hours). After this time the current heating program will be reactivated. If the parameter is set to Automatic, the heating program is activated.

  • Page 47: Room Setpoint Temperature

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.3.2 Room setpoint temperature Room setpoint Heating circuit     temperature Stipulates the room setpoint temperature for the temperature level selected. Comfort Normal Setback Frost (Expert level only) Temperature levels can be assigned to specific times of the day using menu Time programs , see [ch. 6.4.3].

  • Page 48: Settings

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.3.4 Settings Heating circuit     Settings The menu is only displayed in the Expert level. Parameters Setting Function Off: No heating operation, only DHW loading possible. Menus and parameters relating to the heating circuit are hidden.

  • Page 49: Summer/Winter Change-Over

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation Parameters Setting With weather compensated control the mixed external temperature influences the Building flow setpoint temperature. The influence depends on the building construction. The better (heavier) the building construction, the slower the influence. Off, light, medium, heavy Lower limit for the minimum flow temperature.

  • Page 50: Cooling

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.3.7 Cooling Heating circuit     Cooling The menu is only displayed in the Expert level. Parameters Setting Release of cooling mode Releases the cooling mode for the heating circuit. Additional parameters appear in menu Cooling .

  • Page 51: Reset

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.3.8 Reset Heating circuit     Reset The menu is only displayed in the Expert level. Reset all changes made in the heating circuit menu to factory settings. 51-88 83306902 2/2017-05 La...

  • Page 52: Domestic Hot Water

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.4 Domestic hot water 6.7.4.1 Time programs Domestic hot water     program The DHW program is used to stipulate the times of the day when the DHW tanks is heated to normal temperature or setback temperature.

  • Page 53: Legionella Protection

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.4.4 Legionella protection Domestic hot Legionella water     protection The menu is only displayed in the Expert level. Parameters Setting Off: Legionella protection deactivated. Mon-Sun, all: Weekday on which Legionella protection is carried out.

  • Page 54: Flange Heating

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.4.6 Flange heating Domestic hot water     Flange heating The menu is only displayed in the Expert level. Parameters Setting Change-over temperature Release temperature for flange heating in the domestic water storage tank. If the temperature in the storage tank exceeds change-over temperature set and if the DHW setpoint temperature has not been reached, the flange heating takes over the entire DHW loading.

  • Page 55: Heat Pump

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.5 Heat pump 6.7.5.1 Service Heat pump     Service The menu is only displayed in the Expert level. Parameters Setting Program for filling and venting the heating side. Automatic venting During the automatic venting, the three way valve switches back and forth between heating mode and DHW loading.

  • Page 56: Settings

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.5.2 Settings Heat pump     Settings The menu is only displayed in the Expert level. Parameters Setting Mandatory shutdown for the outdoor unit after switching off, the compressor will Idle time only start again once the time set has elapsed.

  • Page 57: Throughput

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.5.3 Throughput Heat pump     Throughput The menu is only displayed in the Expert level. This parameter only appears, if option Volumetric flow has been set under Switch-on type , see [ch. 6.7.5.5].

  • Page 58: Pump (Circulation Pump)

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.5.5 Pump (circulation pump) Heat pump     Pump The menu is only displayed in the Expert level. Parameters Setting Operating mode of circulation pump during heating operation. Switch-on type Constant operation: Pump is operated with the Load set.

  • Page 59: Domestic Hot Water

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.5.8 Domestic hot water Domestic hot Heat pump     water The menu is only displayed in the Expert level. Parameters Setting If the temperature in the storage tank drops below the DHW setpoint temperature Switch differential by the switch differential, DHW loading is initiated.

  • Page 60: Second Heat Exchanger

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.6 Second heat exchanger GB_2. WEZ The menu is only displayed in the Expert level. Second heat exchangers are: internal electric heating flange heating in the storage tank (optional) solar system and buffer storage (optional) condensing unit (optional) Parameters...
  • Page 61 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.7 Variable output Variable output The menu is only displayed in the Expert level. The variable output can be defined for various functions. The scope of the submenu is displayed depending on the definition.
  • Page 62 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 6 Operation 6.7.8 Settings Settings Parameters Setting Set current time of day. Time of day Set current date. Date Configure automatic change-over of summertime. On (factory setting) Summertime Adjust the brightness of the display. Brightness Deactivate the light strip on the hydraulic unit.

  • Page 63: Prerequisite

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 7 Commissioning 7 Commissioning 7.1 Prerequisite Commissioning must only be carried out by qualified personnel. Only correctly carried out commissioning ensures the operational safety. Commissioning must only be carried out once the cooling circuit has been installed completely (see installation and operating manual of outdoor unit).

  • Page 64: Steps For Commissioning

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 7 Commissioning 7.2 Steps for commissioning 1. Rinse sludge separator Close flow and return shut off devices of heating circuit. Close flow and return shut off devices of hot water circuit. Provide collecting container.
  • Page 65 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 7 Commissioning 2. Switch on voltage supply Apply voltage to the outdoor unit/system using fusing provided on site. Damage to the condenser because electric heating has not been connected The condenser can freeze, if the supply temperature drops to much during commis- sioning.
  • Page 66 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 7 Commissioning 5. Set date and time Set current date and confirm. Set current time of day. Commissioning Commissioning Time of day Time of day Year Time 2017 07:29 6.
  • Page 67 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 7 Commissioning 7. Set function DHW operation Set mode for DHW loading and confirm. No DHW loading by heat pump, heating operation only. OFF: DHW loading with heat pump via three way valve in hydraulic unit. DHW loading with heat pump via three way valve in hydraulic unit.
  • Page 68 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 7 Commissioning 10. Set circulation pump capacity Set circulation pump capacity [ch. 6.7.5.5]. Cooling capacity is not displayed during commissioning, cooling opera- tion has to be released first [ch. 6.7.3.7]. The pump capacity can be adjusted after commissioning. Commissioning Commissioning Commissioning...

  • Page 69: Shutdown

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 8 Shutdown 8 Shutdown For breaks in operation: Interrupt voltage supply. If there is a risk of frost, drain the water from the system. If refrigerant is to be pumped into the outdoor unit do not interrupt voltage supply. 69-88 83306902 2/2017-05 La...

  • Page 70: Servicing

    For devices containing fluorinated greenhouse gases from a quantity of 5 Tonnes equivalent, a soundness test in accordance with EU regulation 517/2014 must be carried out and documented at least every 12 months [ch. 3.4.7]. Weishaupt recommends a service contract is entered into to ensure regular in- spections. Prior to every servicing Inform the operator about the extent of service work to be carried out.
  • Page 71 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 9 Servicing Following servicing Observe national regulations for soundness test of refrigerant circuit. Carry out visual inspection: check pipe connections, check refrigerant pipework and insulation for visible damage, complete insulation of refrigerant pipework. If necessary replace damaged refrigerant pipework and insulation.

  • Page 72: Service Work

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 9 Servicing 9.2 Service work Observe notes on servicing [ch. 9.1]. Check condensate drain and clean if necessary. Rinse sludge separator [ch. 9.5]. Check vent valve (visual check). Check heating water pressure [ch. 3.4.6]. Check inlet pressure in the expansion vessel and adjust if necessary [ch. 12.1].

  • Page 73: Removing And Refitting Expansion Vessel

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 9 Servicing 9.3 Removing and refitting expansion vessel Observe notes on servicing [ch. 9.1]. Removing Close flow and return shut off devices of heating circuit. Close flow and return shut off devices of hot water circuit. Drain hydraulic unit using the outlet tap.
  • Page 74 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 9 Servicing Separate connection hose 2 from expansion vessel. Remove locking screw 1 Remove screws 3 and remove bracket 2. Pull expansion vessel 1 to the front. Refitting Refit expansion vessel in reverse order, at the same time replace washer 1. 74-88 83306902 2/2017-05 La...

  • Page 75: Replace Safety Valve

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 9 Servicing 9.4 Replace safety valve Observe notes on servicing [ch. 9.1]. Removing Close flow and return shut off devices of heating circuit. Close flow and return shut off devices of hot water circuit. Drain hydraulic unit using the outlet tap.

  • Page 76: Rinse Sludge Separator

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 9 Servicing 9.5 Rinse sludge separator Observe notes on servicing [ch. 9.1]. Close flow and return shut off devices of heating circuit. Close flow and return shut off devices of hot water circuit. Provide collecting container.

  • Page 77: Troubleshooting

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 10 Troubleshooting 10 Troubleshooting 10.1 Procedures for fault conditions Voltage supply available. Heating switch is set to On. System device has been set correctly. The system device detects and displays irregularities in the system. The following conditions can occur: Warning Fault...
  • Page 78 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 10 Troubleshooting Faults If a fault occurs, the systems goes to lockout, if operational safety can no longer be ensured. If the system is in lockout, the display shows Reset. Example Monday 2018-09-24...

  • Page 79: Fault Codes

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 10 Troubleshooting 10.2 Fault codes Outdoor unit The following faults must only be rectified by qualified personnel: Warning Cause Rectification Heat exchanger sensor OU inlet (OCT) defective Check the sensor and cable and replace if ne- cessary Compressed gas temperature sensor (CTT) defect- Check the sensor and cable and replace if ne-...
  • Page 80 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 10 Troubleshooting The following faults must only be rectified by qualified personnel: Warning Cause Rectification Power consumption of compressor motor too high Normally no action is required. Troubleshooting is only required, if the problem occurs several times within one hour.

  • Page 81: Technical Documentation

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 11 Technical documentation 11 Technical documentation 11.1 Sensor variables De-couple sensor (B2) DHW sensor (B3) Flow sensor (B7) Internal refrigerant sensor (B8) Return sensor EWT (B9) External sensor (B1) Flow sensor LWT (B4) NTC 5 kΩ...

  • Page 82: Smart-Grid

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 11 Technical documentation 11.2 Smart-Grid With the Smart-Grid function (SG Ready), the heat pump can be operated with electricity supplied by a photovoltaic system. Switching conditions Observe wiring diagram [ch. 5.5]. The Smart-Grid function offers the following possibilities: Operating mode Function...

  • Page 83: Project Planning

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 12 Project planning 12 Project planning 12.1 Expansion vessel and system pressure The unit is equipped with an integrated expansion vessel: Contents 18 litres, inlet pressure 0.75 bar. Use the following table to verify whether an additional expansion vessel should be installed.

  • Page 84: Key Word Index

    Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 13 Key word index 13 Key word index E-heating................ 43 Electric heating........ 12, 13, 28, 30, 43 Air intake temperature............ 42 Electrical connection............ 27 Air separator................. 11 Electrical data .............. 14 Air throughput.............. 15 Empty weight ............... 19 Ambient conditions............. 15 Energy generation............... 44 Approval data............... 14...
  • Page 85 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 13 Key word index Idle time................. 56 Refrigerant ................ 9 Illumination................ 62 Refrigerant leakage...............  8 Info.................. 41 Refrigerant pipework............ 25 Inlet pressure ............... 83 Refrigerant temperature ............ 42 Installation................ 21 Refrigeration circuit ..............  9 Installation elevation ............ 83 Reset.............. 51, 54, 59, 78 Installation location .............
  • Page 86 Installation and operating instruction Hydraulic unit WWP LS 8 ... 16-B 13 Key word index Temperature ................. 15 Three way valve ............  11, 13, 41 Throughput ................ 57 Time of day ................ 62 Time program...............  34, 37 Timer .................. 61 Transport................ 15 Type .................. 42 Type key ................ 10 Type of protection............... 14 User level ................ 39 Vaporiser temperature ............ 42...
  • Page 87 83306902 2/2017-05 La...
  • Page 88 Max Weishaupt GmbH · 88475 Schwendi Weishaupt close by? Addresses, telephone numbers etc. can be found at www.weishaupt.de We reserve the right to make changes. All rights reserved. The complete program: Reliable technology and prompt, professional service W Burners up to 570 kW...

This manual is also suitable for:

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